DE3413083C2 - - Google Patents
Info
- Publication number
- DE3413083C2 DE3413083C2 DE3413083A DE3413083A DE3413083C2 DE 3413083 C2 DE3413083 C2 DE 3413083C2 DE 3413083 A DE3413083 A DE 3413083A DE 3413083 A DE3413083 A DE 3413083A DE 3413083 C2 DE3413083 C2 DE 3413083C2
- Authority
- DE
- Germany
- Prior art keywords
- foamed
- particles
- resin
- blowing agent
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
- C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3461—Making or treating expandable particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6158283A JPS59187035A (ja) | 1983-04-08 | 1983-04-08 | 線状ポリエチレン樹脂発泡用粒子 |
JP58063299A JPS59188413A (ja) | 1983-04-11 | 1983-04-11 | 無架橋線状ポリエチレン樹脂型内発泡成形体及びその製造方法 |
JP58126940A JPS6020943A (ja) | 1983-07-14 | 1983-07-14 | 無架橋のポリエチレン樹脂発泡粒子 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3413083A1 DE3413083A1 (de) | 1984-10-11 |
DE3413083C2 true DE3413083C2 (US06580902-20030617-M00005.png) | 1989-12-14 |
Family
ID=27297555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843413083 Granted DE3413083A1 (de) | 1983-04-08 | 1984-04-06 | Geschaeumte teilchen aus einem ethylenpolymerharz, verfahren zu ihrer herstellung und daraus gebildete geschaeumte formkoerper |
Country Status (5)
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5026736A (en) * | 1987-02-24 | 1991-06-25 | Astro-Valcour, Inc. | Moldable shrunken thermoplastic polymer foam beads |
WO1989000918A2 (en) * | 1987-07-29 | 1989-02-09 | Massachusetts Institute Of Technology | A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials |
US5160674A (en) * | 1987-07-29 | 1992-11-03 | Massachusetts Institute Of Technology | Microcellular foams of semi-crystaline polymeric materials |
US5098782A (en) * | 1988-10-13 | 1992-03-24 | Applied Extrusion Technologies, Inc. | Extruded ethylenic polymer foam containing both open and closed cells |
US5277515A (en) * | 1988-10-13 | 1994-01-11 | Applied Extrusion Technologies, Inc. | Extruded ethylenic polymer foam containing both open and closed cells |
JP3279382B2 (ja) * | 1993-03-17 | 2002-04-30 | 株式会社ジエイエスピー | 無架橋ポリエチレン系樹脂発泡粒子及びその製造方法 |
US6069183A (en) * | 1998-04-07 | 2000-05-30 | Tenneco Packaging Inc. | Foamable composition using high density polyethylene |
US6225363B1 (en) | 1998-04-07 | 2001-05-01 | Pactiv Corporation | Foamable composition using high density polyethylene |
US6114025A (en) * | 1998-06-15 | 2000-09-05 | Tenneco Protective Packaging, Inc. | Foam and film/foam laminates using linear low density polyethylene |
US7138436B2 (en) * | 2001-06-13 | 2006-11-21 | 3M Innovative Properties Company | Uncrosslinked foams made from emulsions |
DE10226749B4 (de) * | 2002-06-14 | 2014-09-04 | Basf Se | Verfahren zur Herstellung von expandierbarem Polystyrol |
US7045556B2 (en) * | 2002-07-02 | 2006-05-16 | Pactiv Corporation | Polyolefin foams made with isopentane-based blowing agents |
GB2395948A (en) * | 2002-12-06 | 2004-06-09 | Pactiv Europ B V | Polyolefin foam |
US7166248B2 (en) * | 2003-01-03 | 2007-01-23 | Pactiv Corporation | Reduced VOC emission alkenyl aromatic polymer foams and processes |
FR2856950B1 (fr) * | 2003-07-04 | 2007-03-02 | Rhodia Polyamide Intermediates | Procede de preparation de perle a base de polymere expanse |
JP4774708B2 (ja) * | 2004-09-30 | 2011-09-14 | 東ソー株式会社 | 未架橋ポリエチレン発泡成形体 |
WO2015133619A1 (ja) * | 2014-03-07 | 2015-09-11 | 株式会社カネカ | ポリオレフィン系樹脂型内発泡成形体の製造方法 |
WO2016158686A1 (ja) | 2015-03-27 | 2016-10-06 | 株式会社カネカ | ポリエチレン系樹脂発泡成形体の製造方法 |
CN110283372B (zh) * | 2019-06-11 | 2022-03-01 | 宁波大学 | 一种双峰高密度聚乙烯的微孔发泡材料及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49128065A (US06580902-20030617-M00005.png) * | 1973-04-10 | 1974-12-07 | ||
DE3125024A1 (de) * | 1980-06-25 | 1982-02-25 | Japan Styrene Paper Corp., Tokyo | Verfahren zur herstellung von schaumgegenstaenden aus polyolefinharzen |
EP0053333A1 (en) * | 1980-11-22 | 1982-06-09 | Japan Styrene Paper Corporation | Process for the production of pre-foamed particles of polypropylene resin |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2107683A1 (en) * | 1971-02-18 | 1972-08-31 | Basf Ag | Particulate foamed polyolefin prodn - by expansion with opt halogenated hydrocarbons in presence of water |
DE2126812C3 (de) * | 1971-05-29 | 1979-03-29 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Schaumstoffen aus hochmolekularen Olefinpolymerisaten |
DE2524196C3 (de) * | 1975-05-31 | 1979-04-26 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Schaumstoff-Formkörpern aus Olefinpolymerisaten |
CA1133883A (en) * | 1980-10-17 | 1982-10-19 | Yoshihiko Katayama | Catalyst for polymerizing an olefin |
US4415680A (en) * | 1980-12-18 | 1983-11-15 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Water-impermeable polyolefin foam and process for preparing the same |
JPS5855231A (ja) * | 1981-09-28 | 1983-04-01 | Japan Styrene Paper Co Ltd | ポリオレフイン系樹脂予備発泡粒子の製造方法 |
JPS58101025A (ja) * | 1981-12-09 | 1983-06-16 | Japan Styrene Paper Co Ltd | ポリオレフイン系樹脂予備発泡粒子の加圧処理方法 |
JPS6010048B2 (ja) * | 1981-12-25 | 1985-03-14 | 日本スチレンペ−パ−株式会社 | 無架橋高密度ポリエチレン予備発泡粒子およびその製法 |
AU559244B2 (en) * | 1982-05-13 | 1987-03-05 | Kanegafuchi Kagaku Kogyo K.K. | Expanded polyolefin particles |
US4504601A (en) * | 1982-10-01 | 1985-03-12 | Japan Styrene Paper Corporation | Process for producing pre-foamed particles of polypropylene resin |
US4464484A (en) * | 1982-12-20 | 1984-08-07 | Japan Styrene Paper Corporation | Process for producing prefoamed polymer particles |
-
1984
- 1984-04-04 CA CA000451299A patent/CA1225200A/en not_active Expired
- 1984-04-05 GB GB08408770A patent/GB2140422B/en not_active Expired
- 1984-04-06 FR FR8405522A patent/FR2543964B1/fr not_active Expired
- 1984-04-06 US US06/597,714 patent/US4644013A/en not_active Expired - Lifetime
- 1984-04-06 DE DE19843413083 patent/DE3413083A1/de active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49128065A (US06580902-20030617-M00005.png) * | 1973-04-10 | 1974-12-07 | ||
DE3125024A1 (de) * | 1980-06-25 | 1982-02-25 | Japan Styrene Paper Corp., Tokyo | Verfahren zur herstellung von schaumgegenstaenden aus polyolefinharzen |
EP0053333A1 (en) * | 1980-11-22 | 1982-06-09 | Japan Styrene Paper Corporation | Process for the production of pre-foamed particles of polypropylene resin |
Non-Patent Citations (2)
Title |
---|
Merkblatt, Mirason, Wire and Cable Grade, der Fa. Mitsui Petrochemical Industries, Ltd * |
Product List, Mirason, der Fa. Mitsui Polychemicals Co., Ltd * |
Also Published As
Publication number | Publication date |
---|---|
DE3413083A1 (de) | 1984-10-11 |
GB2140422A (en) | 1984-11-28 |
FR2543964A1 (fr) | 1984-10-12 |
CA1225200A (en) | 1987-08-04 |
FR2543964B1 (fr) | 1987-07-10 |
GB2140422B (en) | 1986-03-26 |
US4644013A (en) | 1987-02-17 |
GB8408770D0 (en) | 1984-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H.,DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |